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Semmy [17]
3 years ago
13

X-(-5)=-4 What does x equal

Mathematics
2 answers:
forsale [732]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

X = -4 + (-5) = -9

You can always move elements of equality to the other side by changing either their signs or applying opposite operator: addition <-> subtraction, multiplication <-> division

inn [45]3 years ago
5 0

Answer:

x = -9

Step-by-step explanation:

x - ( - 5 ) = - 4

Distribute the negative sign

x - ( - 5 ) = - 4

x + 5 = -4

Inverse operations;

x + 5 = -4

  -5     -5

x = -9

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Scorpion4ik [409]
0,5 1,3 is the answer hope this helps
8 0
3 years ago
Which is a factor of 2x^2+8x-90
raketka [301]

Answer:

2(x-5)(x+9)

Step-by-step explanation:

1) divide whole thing by 2 you get  x^2+4x-45

2) from there you can factor it out to (x-5)(x+9)

3) Add the 2 back in on the front

5 0
3 years ago
Please help me<br> in the figure, m m
MrRissso [65]

Answer:

What do the "m" 's equal? There isn't a way to solve that without more information...

Step-by-step explanation:

6 0
3 years ago
What is the quadratic equation of x2 - 7x + 6 = 0
s2008m [1.1K]

Answer:

x = 6 , 1

Step-by-step explanation:

7 0
2 years ago
Using the functions presented in the example, how much can Cam expect to earn if he sells all the corn produced on 1.5 acres?
12345 [234]

Answer:

Cam expect to earn if he sells all the corn produced on 1.5 acres is $8725.

Step-by-step explanation:

Given : C(a)=7500a-1500, M(C)=0.9C- 50  and  M(C(a))=6750a-1400

To find : How much can Cam expect to earn if he sells all the corn produced on 1.5 acres?

Solution :  

C(a)=7500a-1500

Substitute a=1.5,

C(1.5)=7500(1.5)-1500

C(1.5)=11250-1500

C(1.5)=9750

Now, taking function M(C)=0.9C- 50

Substitute C=9750,

M(9750)=0.9(9750)- 50

M(9750)=8775- 50

M(9750)=8725

Now, taking function M(C(a))=6750a-1400

Substitute a=1.5,

M(C(1.5))=6750(1.5)-1400

M(C(1.5))=10125-1400

M(C(1.5))=8725

Therefore, Cam expect to earn if he sells all the corn produced on 1.5 acres is $8725.

8 0
3 years ago
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